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Welcome to the official website of National Technical Committee for Standardization of Earthwork Machinery!
Hot ：
Information Bulletin
发布公告
• announcement of 2018 national standards for earthmoving machinery
[ 发布公告 ]
2019-01-02
• Announcement of approval of national standard project for earthmoving machinery in 2018
[ 发布公告 ]
2018-12-12
• 2018 earthmoving machinery industry standard announcement
[ 发布公告 ]
2018-10-12
• Announcement of approval of earthmoving machinery industry standard project in 2018
[ 发布公告 ]
2018-10-11
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